Inventor · name-matched record
SUGIYAMA KEIJI
3 granted patents·0 citations·filing 2023–2024
38Inventor score
Files withPANASONIC AUTOMOTIVE SYSTEMS CO LTD1PANASONIC INTELLECTUAL PROPERTY MAN CO LTD1PANASONIC IP MAN CO LTD1
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
3 records- 0163US12596220B2Light guide plate, light guide plate unit, and display devicePANASONIC INTELLECTUAL PROPERTY MAN CO LTD·Filed 2023·Granted Apr 7, 2026·0 cites·20 claims
- 0259US12554135B2Display devicePANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2024·Granted Feb 17, 2026·0 cites·12 claims
- 0358US12546999B2Light guide plate and display devicePANASONIC IP MAN CO LTD·Filed 2023·Granted Feb 10, 2026·0 cites·7 claims
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Identity basis: exact name match across USPTO filings. How scoring works →